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import unittest
import os
from snimpy import mib, basictypes
class TestMibSnimpy(unittest.TestCase):
def setUp(self):
mib.load(os.path.join(os.path.dirname(os.path.abspath(__file__)),
"SNIMPY-MIB.mib"))
self.nodes = ["snimpy",
"snimpyScalars",
"snimpyTables",
"snimpyTraps"]
self.nodes.sort()
self.tables = ["snimpyComplexTable",
"snimpyInetAddressTable",
"snimpySimpleTable",
"snimpyIndexTable",
"snimpyInvalidTable",
"snimpyEmptyTable",
"snimpyReuseIndexTable"]
self.tables.sort()
self.columns = ["snimpyComplexFirstIP",
"snimpyComplexSecondIP",
"snimpySimpleIndex",
"snimpyComplexState",
"snimpyInetAddressType",
"snimpyInetAddress",
"snimpyInetAddressState",
"snimpySimpleDescr",
"snimpySimplePhys",
"snimpySimpleType",
"snimpyIndexVarLen",
"snimpyIndexIntIndex",
"snimpyIndexOidVarLen",
"snimpyIndexFixedLen",
"snimpyIndexImplied",
"snimpyIndexInt",
"snimpyInvalidIndex",
"snimpyInvalidDescr",
"snimpyEmptyIndex",
"snimpyEmptyDescr",
"snimpyReuseIndexValue"
]
self.columns.sort()
self.scalars = ["snimpyIpAddress",
"snimpyString",
"snimpyInteger",
"snimpyEnum",
"snimpyObjectId",
"snimpyBoolean",
"snimpyCounter",
"snimpyGauge",
"snimpyTimeticks",
"snimpyCounter64",
"snimpyBits",
"snimpyNotImplemented",
"snimpyOctetString",
"snimpyUnicodeString",
"snimpyMacAddress",
"snimpyMacAddressInvalid"]
self.scalars.sort()
self.notifications = ["snimpyNotification"]
self.notifications.sort()
self.expected_modules = ["SNMPv2-SMI",
"SNMPv2-TC",
"SNIMPY-MIB",
"INET-ADDRESS-MIB",
"IANAifType-MIB"]
def tearDown(self):
mib.reset()
def testGetNodes(self):
"""Test that we can get all nodes"""
nodes = mib.getNodes('SNIMPY-MIB')
snodes = sorted([str(a) for a in nodes])
self.assertEqual(self.nodes,
snodes)
for n in nodes:
self.assertTrue(isinstance(n, mib.Node))
def testGetTables(self):
"""Test that we can get all tables"""
tables = mib.getTables('SNIMPY-MIB')
stables = sorted([str(a) for a in tables])
self.assertEqual(self.tables,
stables)
for n in tables:
self.assertTrue(isinstance(n, mib.Table))
def testGetColumns(self):
"""Test that we can get all columns"""
columns = mib.getColumns('SNIMPY-MIB')
scolumns = sorted([str(a) for a in columns])
self.assertEqual(self.columns,
scolumns)
for n in columns:
self.assertTrue(isinstance(n, mib.Column))
def testGetScalars(self):
"""Test that we can get all scalars"""
scalars = mib.getScalars('SNIMPY-MIB')
sscalars = sorted([str(a) for a in scalars])
self.assertEqual(self.scalars, sscalars)
for n in scalars:
self.assertTrue(isinstance(n, mib.Scalar))
def testGetNotifications(self):
"""Test that we can get all notifications"""
notifications = mib.getNotifications('SNIMPY-MIB')
snotifications = sorted([str(a) for a in notifications])
self.assertEqual(self.notifications, snotifications)
for n in notifications:
self.assertTrue(isinstance(n, mib.Notification))
def testGet(self):
"""Test that we can get all named attributes"""
for i in self.scalars:
self.assertEqual(str(mib.get('SNIMPY-MIB', i)), i)
self.assertTrue(isinstance(mib.get('SNIMPY-MIB', i), mib.Scalar))
for i in self.tables:
self.assertEqual(str(mib.get('SNIMPY-MIB', i)), i)
self.assertTrue(isinstance(mib.get('SNIMPY-MIB', i), mib.Table))
for i in self.columns:
self.assertEqual(str(mib.get('SNIMPY-MIB', i)), i)
self.assertTrue(isinstance(mib.get('SNIMPY-MIB', i), mib.Column))
for i in self.nodes:
self.assertEqual(str(mib.get('SNIMPY-MIB', i)), i)
self.assertTrue(isinstance(mib.get('SNIMPY-MIB', i), mib.Node))
for i in self.notifications:
self.assertEqual(str(mib.get('SNIMPY-MIB', i)), i)
self.assertTrue(isinstance(mib.get('SNIMPY-MIB', i),
mib.Notification))
def testGetByOid(self):
"""Test that we can get all named attributes by OID."""
for i in self.scalars:
nodebyname = mib.get('SNIMPY-MIB', i)
self.assertEqual(str(mib.getByOid(nodebyname.oid)), i)
self.assertTrue(isinstance(mib.getByOid(nodebyname.oid),
mib.Scalar))
for i in self.tables:
nodebyname = mib.get('SNIMPY-MIB', i)
self.assertEqual(str(mib.getByOid(nodebyname.oid)), i)
self.assertTrue(isinstance(mib.getByOid(nodebyname.oid),
mib.Table))
for i in self.columns:
nodebyname = mib.get('SNIMPY-MIB', i)
self.assertEqual(str(mib.getByOid(nodebyname.oid)), i)
self.assertTrue(isinstance(mib.getByOid(nodebyname.oid),
mib.Column))
for i in self.nodes:
nodebyname = mib.get('SNIMPY-MIB', i)
self.assertEqual(str(mib.getByOid(nodebyname.oid)), i)
self.assertTrue(isinstance(mib.getByOid(nodebyname.oid), mib.Node))
for i in self.notifications:
nodebyname = mib.get('SNIMPY-MIB', i)
self.assertEqual(str(mib.getByOid(nodebyname.oid)), i)
self.assertTrue(isinstance(mib.getByOid(nodebyname.oid),
mib.Notification))
def testGetByOid_UnknownOid(self):
"""Test that unknown OIDs raise an exception."""
self.assertRaises(mib.SMIException, mib.getByOid, (255,))
def testGetType(self):
"""Test that _getType properly identifies known and unknown types."""
self.assertEqual(b"PhysAddress",
mib.ffi.string(mib._getType("PhysAddress").name))
self.assertEqual(b"InetAddress",
mib.ffi.string(mib._getType(b"InetAddress").name))
self.assertEqual(None, mib._getType("SomeUnknownType.kjgf"))
self.assertEqual(None, mib._getType("snimpySimpleTable"))
def testTableColumnRelation(self):
"""Test that we can get the column from the table and vice-versa"""
for i in self.tables:
table = mib.get('SNIMPY-MIB', i)
for r in table.columns:
self.assertTrue(isinstance(r, mib.Column))
self.assertEqual(str(r.table), str(i))
self.assertTrue(str(r).startswith(str(i).replace("Table", "")))
columns = sorted([str(rr)
for rr in self.columns
if str(rr).startswith(str(i).replace("Table",
""))])
tcolumns = [str(rr) for rr in table.columns]
tcolumns.sort()
self.assertEqual(columns, tcolumns)
for r in self.columns:
column = mib.get('SNIMPY-MIB', r)
table = column.table
self.assertTrue(isinstance(table, mib.Table))
prefix = str(table).replace("Table", "")
self.assertEqual(prefix, str(r)[:len(prefix)])
def testTypes(self):
"""Test that we get the correct types"""
tt = {"snimpyIpAddress": basictypes.IpAddress,
"snimpyString": basictypes.OctetString,
"snimpyOctetString": basictypes.OctetString,
"snimpyUnicodeString": basictypes.OctetString,
"snimpyMacAddress": basictypes.OctetString,
"snimpyInteger": basictypes.Integer,
"snimpyEnum": basictypes.Enum,
"snimpyObjectId": basictypes.Oid,
"snimpyBoolean": basictypes.Boolean,
"snimpyCounter": basictypes.Unsigned32,
"snimpyGauge": basictypes.Unsigned32,
"snimpyTimeticks": basictypes.Timeticks,
"snimpyCounter64": basictypes.Unsigned64,
"snimpyBits": basictypes.Bits,
"snimpySimpleIndex": basictypes.Integer,
"snimpyComplexFirstIP": basictypes.IpAddress,
"snimpyComplexSecondIP": basictypes.IpAddress,
"snimpyComplexState": basictypes.Enum}
for t in tt:
self.assertEqual(mib.get('SNIMPY-MIB', t).type, tt[t])
# Also check we get an exception when no type available
def call():
mib.get('SNIMPY-MIB', 'snimpySimpleTable').type
self.assertRaises(mib.SMIException, call)
def testRanges(self):
tt = {"snimpyIpAddress": 4,
"snimpyString": (0, 255),
"snimpyOctetString": None,
"snimpyInteger": [(6, 18), (20, 23), (27, 1336)],
"snimpyEnum": None,
"snimpyObjectId": None,
"snimpyBoolean": None,
"snimpyCounter": (0, 4294967295),
"snimpyGauge": (0, 4294967295),
"snimpyTimeticks": (0, 4294967295),
"snimpyCounter64": (0, 18446744073709551615),
"snimpyBits": None,
"snimpySimpleIndex": (1, 30),
"snimpyComplexFirstIP": 4,
"snimpyComplexSecondIP": 4,
"snimpyComplexState": None
}
for t in tt:
self.assertEqual(mib.get('SNIMPY-MIB', t).ranges, tt[t])
def testEnums(self):
"""Test that we got the enum values correctly"""
self.assertEqual(mib.get('SNIMPY-MIB', "snimpyInteger").enum, None)
self.assertEqual(mib.get("SNIMPY-MIB", "snimpyEnum").enum,
{1: "up",
2: "down",
3: "testing"})
self.assertEqual(mib.get("SNIMPY-MIB", "snimpyBits").enum,
{0: "first",
1: "second",
2: "third",
7: "last",
8: "secondByte"})
def testIndexes(self):
"""Test that we can retrieve correctly the index of tables"""
self.assertEqual(
[str(i) for i in mib.get("SNIMPY-MIB", "snimpySimpleTable").index],
["snimpySimpleIndex"])
self.assertEqual(
[str(i)
for i in mib.get("SNIMPY-MIB", "snimpyComplexTable").index],
["snimpyComplexFirstIP", "snimpyComplexSecondIP"])
self.assertEqual(
[str(i)
for i in mib.get("SNIMPY-MIB", "snimpyInetAddressTable").index],
["snimpyInetAddressType", "snimpyInetAddress"])
def testImplied(self):
"""Check that we can get implied attribute for a given table"""
self.assertEqual(
mib.get("SNIMPY-MIB",
'snimpySimpleTable').implied,
False)
self.assertEqual(
mib.get("SNIMPY-MIB",
'snimpyComplexTable').implied,
False)
self.assertEqual(
mib.get("SNIMPY-MIB",
'snimpyIndexTable').implied,
True)
def testOid(self):
"""Test that objects are rooted at the correct OID"""
oids = {"snimpy": (1, 3, 6, 1, 2, 1, 45121),
"snimpyScalars": (1, 3, 6, 1, 2, 1, 45121, 1),
"snimpyString": (1, 3, 6, 1, 2, 1, 45121, 1, 2),
"snimpyInteger": (1, 3, 6, 1, 2, 1, 45121, 1, 3),
"snimpyBits": (1, 3, 6, 1, 2, 1, 45121, 1, 11),
"snimpyTables": (1, 3, 6, 1, 2, 1, 45121, 2),
"snimpySimpleTable": (1, 3, 6, 1, 2, 1, 45121, 2, 1),
"snimpySimplePhys": (1, 3, 6, 1, 2, 1, 45121, 2, 1, 1, 4),
"snimpyComplexTable": (1, 3, 6, 1, 2, 1, 45121, 2, 2),
"snimpyComplexState": (1, 3, 6, 1, 2, 1, 45121, 2, 2, 1, 3),
}
for o in oids:
self.assertEqual(mib.get('SNIMPY-MIB', o).oid, oids[o])
def testLoadedMibNames(self):
"""Check that only expected modules were loaded."""
for module in self.expected_modules:
self.assertTrue(module in list(mib.loadedMibNames()))
def testLoadInexistantModule(self):
"""Check that we get an exception when loading an inexistant module"""
self.assertRaises(mib.SMIException, mib.load, "idontexist.gfdgfdg")
def testLoadInvalidModule(self):
"""Check that an obviously invalid module cannot be loaded"""
path = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"SNIMPY-INVALID-MIB.mib")
self.assertRaises(mib.SMIException, mib.load, path)
self.assertRaises(mib.SMIException, mib.getNodes, "SNIMPY-INVALID-MIB")
self.assertRaises(mib.SMIException, mib.get,
"SNIMPY-INVALID-MIB", "invalidSnimpyNode")
def testAccesInexistantModule(self):
"""Check that we get an exception when querying inexistant module"""
self.assertRaises(mib.SMIException, mib.getNodes, "idontexist.kjgf")
self.assertRaises(mib.SMIException, mib.getScalars, "idontexist.kjgf")
self.assertRaises(mib.SMIException, mib.getTables, "idontexist.kjgf")
self.assertRaises(mib.SMIException, mib.getColumns, "idontexist.kjgf")
def testFmt(self):
"""Check that we get FMT from types"""
self.assertEqual(mib.get("SNIMPY-MIB", 'snimpySimplePhys').fmt, "1x:")
self.assertEqual(mib.get("SNIMPY-MIB", 'snimpyInteger').fmt, "d-2")
def testTypeOverrides(self):
"""Check that we can override a type"""
table = mib.get("SNIMPY-MIB", "snimpyInetAddressTable")
addrtype_attr = table.index[0]
addr_attr = table.index[1]
# Try overriding to IPv4 with a byte string name.
addrtype = addrtype_attr.type(addrtype_attr, "ipv4")
self.assertEqual(addrtype, "ipv4")
addr_attr.typeName = b"InetAddressIPv4"
ipv4 = "127.0.0.1"
ipv4_oid = (4, 127, 0, 0, 1)
addr = addr_attr.type(addr_attr, ipv4)
self.assertEqual(str(addr), ipv4)
self.assertEqual(addr.toOid(), ipv4_oid)
addr_len, addr = addr_attr.type.fromOid(addr_attr, ipv4_oid)
self.assertEqual(addr_len, ipv4_oid[0] + 1)
self.assertEqual(str(addr), ipv4)
self.assertEqual(addr.toOid(), ipv4_oid)
# Try both IPv6 and non-bytes name.
addrtype = addrtype_attr.type(addrtype_attr, "ipv6")
self.assertEqual(addrtype, "ipv6")
addr_attr.typeName = "InetAddressIPv6"
# Snimpy does not use leading zeroes.
ipv6 = '102:304:506:708:90a:b0c:d0e:f01'
ipv6_oid = (16, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x01)
addr = addr_attr.type(addr_attr, ipv6)
self.assertEqual(str(addr), ipv6)
self.assertEqual(addr.toOid(), ipv6_oid)
addr_len, addr = addr_attr.type.fromOid(addr_attr, ipv6_oid)
self.assertEqual(addr_len, ipv6_oid[0] + 1)
self.assertEqual(str(addr), ipv6)
self.assertEqual(addr.toOid(), ipv6_oid)
# Try a type from a different module (chosen because snmpwalk
# prints IPv6 addresses incorrectly).
ipv6_1xformat = '1:2:3:4:5:6:7:8:9:a:b:c:d:e:f:1'
addr_attr.typeName = "PhysAddress"
addr = addr_attr.type(addr_attr, ipv6_1xformat)
self.assertEqual(str(addr), ipv6_1xformat)
self.assertEqual(addr.toOid(), ipv6_oid)
# Try overriding back to the default.
del addr_attr.typeName
addr_len, addr = addr_attr.type.fromOid(addr_attr, ipv4_oid)
self.assertEqual(bytes(addr), b"\x7f\0\0\1")
def testTypeOverrides_Errors(self):
table = mib.get("SNIMPY-MIB", "snimpyInetAddressTable")
attr = table.index[1]
# Value with the wrong type.
self.assertRaises(AttributeError, setattr, attr, "typeName", None)
# Unknown type.
self.assertRaises(mib.SMIException, setattr, attr, "typeName",
"SomeUnknownType.kjgf")
# Incompatible basetype.
self.assertRaises(mib.SMIException, setattr, attr, "typeName",
"InetAddressType")
# Parse error.
attr.typeName = "InetAddressIPv4"
self.assertRaises(ValueError, attr.type, attr, "01:02:03:04")
def testTypeName(self):
"""Check that we can get the current declared type name"""
table = mib.get("SNIMPY-MIB", "snimpyInetAddressTable")
attr = table.index[1]
self.assertEqual(attr.typeName, b"InetAddress")
attr.typeName = b"InetAddressIPv4"
self.assertEqual(attr.typeName, b"InetAddressIPv4")
attr.typeName = b"InetAddressIPv6"
self.assertEqual(attr.typeName, b"InetAddressIPv6")
attr = mib.get("SNIMPY-MIB", "snimpySimpleIndex")
self.assertEqual(attr.typeName, b"Integer32")
class TestSmi(unittest.TestCase):
def testGetPath(self):
"""Test we can get default SMI path"""
current = mib.path()
self.assertTrue(type(current), str)
self.assertNotEqual(mib.path(), "")
def testSetPath(self):
"""Test we can set path to some value"""
original = mib.path()
current = original + ":/some/other/directory"
try:
mib.path(current)
self.assertEqual(mib.path(), current)
finally:
mib.path(original)
|
